Multiple select. Choose all that apply: During the repolarization phase of an action potential, which of the following are true:

Question

Group of answer choices

chemically-gated ion channels are open

voltage-gated potassium channels are open

sodium ions diffuse into the cell

voltage-gated sodium channels are closed

potassium ions diffuse out of the cell

Answer 1

- voltage-gated potassium channels are open
- voltage-gated sodium channels are closed
- potassium ions diffuse out of the cell